18339840

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{199}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 63882000

約数和(自身を除く): 45542160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 199, 240, 256, 288, 320, 360, 384, 398, 480, 512, 576, 597, 640, 720, 768, 796, 960, 995, 1024, 1152, 1194, 1280, 1440, 1536, 1592, 1791, 1920, 1990, 2048, 2304, 2388, 2560, 2880, 2985, 3072, 3184, 3582, 3840, 3980, 4608, 4776, 5120, 5760, 5970, 6144, 6368, 7164, 7680, 7960, 8955, 9216, 9552, 10240, 11520, 11940, 12736, 14328, 15360, 15920, 17910, 18432, 19104, 23040, 23880, 25472, 28656, 30720, 31840, 35820, 38208, 46080, 47760, 50944, 57312, 63680, 71640, 76416, 92160, 95520, 101888, 114624, 127360, 143280, 152832, 191040, 203776, 229248, 254720, 286560, 305664, 382080, 407552, 458496, 509440, 573120, 611328, 764160, 916992, 1018880, 1146240, 1222656, 1528320, 1833984, 2037760, 2292480, 3056640, 3667968, 4584960, 6113280, 9169920, 18339840]

約数ペア:

[(1, 18339840), (2, 9169920), (3, 6113280), (4, 4584960), (5, 3667968), (6, 3056640), (8, 2292480), (9, 2037760), (10, 1833984), (12, 1528320), (15, 1222656), (16, 1146240), (18, 1018880), (20, 916992), (24, 764160), (30, 611328), (32, 573120), (36, 509440), (40, 458496), (45, 407552), (48, 382080), (60, 305664), (64, 286560), (72, 254720), (80, 229248), (90, 203776), (96, 191040), (120, 152832), (128, 143280), (144, 127360), (160, 114624), (180, 101888), (192, 95520), (199, 92160), (240, 76416), (256, 71640), (288, 63680), (320, 57312), (360, 50944), (384, 47760), (398, 46080), (480, 38208), (512, 35820), (576, 31840), (597, 30720), (640, 28656), (720, 25472), (768, 23880), (796, 23040), (960, 19104), (995, 18432), (1024, 17910), (1152, 15920), (1194, 15360), (1280, 14328), (1440, 12736), (1536, 11940), (1592, 11520), (1791, 10240), (1920, 9552), (1990, 9216), (2048, 8955), (2304, 7960), (2388, 7680), (2560, 7164), (2880, 6368), (2985, 6144), (3072, 5970), (3184, 5760), (3582, 5120), (3840, 4776), (3980, 4608)]